body,html{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}*{box-sizing:border-box}a{color:#0070f3;text-decoration:none}a:hover{text-decoration:underline}nav{padding:1rem;background:#f5f5f5;border-bottom:1px solid #eaeaea}nav ul{list-style:none;display:flex;gap:1rem;padding:0;margin:0}main{padding:2rem}